Arnold city, Missouri demographics
Population: 20,808
Median age: 42.2
Median household income: 63,755
Arnold is a city in Jefferson County, Missouri, United States.
Demographics, population, home values, social and economic characteristics of Arnold city, MO.
Population
| 2021 | 20,808 |
| 2020 | 21,144 |
| 2019 | 21,146 |
| 2018 | 21,107 |
| 2017 | 21,102 |
| 2016 | 21,196 |
| 2015 | 21,123 |
| 2014 | 21,020 |
| 2013 | 20,945 |
| 2012 | 20,859 |
| 2011 | 20,798 |
| 2010 | 20,753 |
| 2009 | 20,459 |
Census data for Arnold city, Missouri
Demographic and housing estimates in Arnold city, Missouri
| Total population | 20,808 |
| Male | 10,237 |
| Female | 10,571 |
| Total population | 20,808 |
| Under 5 years | 1,183 |
| 5 to 9 years | 1,204 |
| 10 to 14 years | 1,128 |
| 15 to 19 years | 1,413 |
| 20 to 24 years | 750 |
| 25 to 34 years | 3,092 |
| 35 to 44 years | 2,284 |
| 45 to 54 years | 2,619 |
| 55 to 59 years | 1,727 |
| 60 to 64 years | 1,551 |
| 65 to 74 years | 2,144 |
| 75 to 84 years | 1,249 |
| 85 years and over | 464 |
| Median age (years) | 42.2 |
| Under 18 years | 4,509 |
| 16 years and over | 16,879 |
| 18 years and over | 16,299 |
| 21 years and over | 15,718 |
| 62 years and over | 4,668 |
| 65 years and over | 3,857 |
| Total population | 20,808 |
| One race | 19,477 |
| White | 19,203 |
| Black or African American | 80 |
| American Indian and Alaska Native | 17 |
| Asian | 126 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 51 |
| Two or more races | 1,331 |
| Citizen, VOTING AGE 18 and over population | 15,864 |
| Male Citizen, VOTING AGE 18 and over population | 7,634 |
| Female Citizen, VOTING AGE 18 and over population | 8,230 |
Social characteristics in Arnold city, Missouri
| Total households | 8,405 |
| Family households (families) | 4,101 |
| Married-couple family | 536 |
| Male householder, no wife present, family | 1,607 |
| Female householder, no husband present, family | 885 |
| Nonfamily households | 2,161 |
| Average household size | 2,665 |
| Average family size | 2.46 |
Economic characteristics in Arnold city, Missouri
| Total households | 8,405 |
| Less than $10,000 | 318 |
| $10,000 to $14,999 | 261 |
| $15,000 to $24,999 | 708 |
| $25,000 to $34,999 | 695 |
| $35,000 to $49,999 | 1,145 |
| $50,000 to $74,999 | 1,694 |
| $75,000 to $99,999 | 1,187 |
| $100,000 to $149,999 | 1,660 |
| $150,000 to $199,999 | 476 |
| $200,000 or more | 261 |
| Median household income (dollars) | 63,755 |
Housing characteristics in Arnold city, Missouri
| Total housing units | 8,954 |
| Occupied housing units | 8,405 |
| Vacant housing units | 549 |
| Total housing units | 8,954 |
| 1-unit, detached | 6,677 |
| 1-unit, attached | 378 |
| 2 units | 200 |
| 3 or 4 units | 343 |
| 5 to 9 units | 118 |
| 10 to 19 units | 388 |
| 20 or more units | 253 |
| Mobile home | 597 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 8,954 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 352 |
| Built 2000 to 2009 | 1,006 |
| Built 1990 to 1999 | 1,692 |
| Built 1980 to 1989 | 973 |
| Built 1970 to 1979 | 1,376 |
| Built 1960 to 1969 | 2,240 |
| Built 1950 to 1959 | 1,048 |
| Built 1940 to 1949 | 178 |
| Built 1939 or earlier | 89 |
| Total housing units | 8,954 |
| 1 room | 53 |
| 2 rooms | 37 |
| 3 rooms | 379 |
| 4 rooms | 1,451 |
| 5 rooms | 2,084 |
| 6 rooms | 1,566 |
| 7 rooms | 1,508 |
| 8 rooms | 1,111 |
| 9 rooms or more | 765 |
| Median rooms | 5.8 |
| Total housing units | 8,954 |
| No bedroom | 63 |
| 1 bedroom | 403 |
| 2 bedrooms | 2,213 |
| 3 bedrooms | 4,269 |
| 4 bedrooms | 1,881 |
| 5 or more bedrooms | 125 |
| Occupied housing units | 8,405 |
| Owner-occupied | 6,170 |
| Renter-occupied | 2,235 |
| Average household size of owner-occupied unit | 2.60 |
| Average household size of renter-occupied unit | 2.05 |
| Occupied housing units | 8,405 |
| Moved in 2017 or later | 758 |
| Moved in 2015 to 2016 | 2,008 |
| Moved in 2010 to 2014 | 1,499 |
| Moved in 2000 to 2009 | 1,710 |
| Moved in 1990 to 1999 | 1,188 |
| Moved in 1989 and earlier | 1,242 |
| Owner-occupied units | 6,170 |
| Less than $50,000 | 258 |
| $50,000 to $99,999 | 436 |
| $100,000 to $149,999 | 1,410 |
| $150,000 to $199,999 | 1,837 |
| $200,000 to $299,999 | 1,663 |
| $300,000 to $499,999 | 493 |
| $500,000 to $999,999 | 73 |
| $1,000,000 or more | 0 |
| Median (dollars) | 168,400 |
| Owner-occupied units | 6,170 |
| Housing units with a mortgage | 3,851 |
| Housing units without a mortgage | 2,319 |
| Occupied units paying rent | 2,055 |
| Less than $500 | 10 |
| $500 to $999 | 944 |
| $1,000 to $1,499 | 1,025 |
| $1,500 to $1,999 | 76 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 1,022 |
| No rent paid | 180 |
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